body {
  color: #fff;
  width: 1280px;
  height: 720px;
  overflow: hidden;
  position: relative;
  background-color: transparent;
  font-family: 'Microsoft YaHei';
}
html {
  background-color: transparent;
  overflow: hidden;
}
input,
textarea,
select {
  font-size: 100%;
  font-family: inherit;
  outline: none;
}
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
form {
  margin: 0;
}
h4,
h5,
h6 {
  font-size: 1em;
}
img {
  border: 0;
}
ul,
ol {
  padding: 0;
  list-style-type: none;
  margin: 0;
}
li {
  padding: 0;
}

a {
  outline: none;
  text-decoration: none;
  color: #fff;
  display: block;
}

iframe {
  width: 100%;
  height: 100%;
  border: 0;
  outline: none;
}
body {
  background-image: url('/img/jianbian.c2b27b53.png');
  background-size: 100% 100%;
  overflow: hidden;
}
#content {
  width: 100%;
  height: 100%;
  padding: 0 20px;
  position: absolute;
  top: 90px;
  right: 0;
  left: 0;
  bottom: 0;
  z-index: 10;
}

.item {
  display: inline-block;
  margin: 10px 20px;
  padding: 15px 30px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.3);
}

.item:focus {
  background: #409eff;
}
h1 {
  margin: 30px auto 16px auto;
  text-align: center;
  font-size: 30px;
}

#dialog {
  background: rgba(0, 0, 0, 0.3);
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  z-index: 0;
}
